31g Fine Pure Pine Smoke Chinese Hui Ink Stick Hukaiwen HuiMo inkstick calligraphy and painting Fine Pure Pine Smoke, Chun Song Yan, Yi Liang (31g) Jingxi Chun Song Yan Inkstick for calligraphy and painting. Made in Shexian County,Anhui province. The origin place of inkstick. First opened in 1782 during the reign of Emperor Qianlong of Qing Dynasty, Hu Kaiwen Ink Factory is the oldest and most famous factory for Hui Ink in China, where visitors can see the whole working process of ink sticks.